connect3d ati x850xt pe 256 pci express- £150??

i have found this foxconn x850xt pe graphics card brand new (oem bare card with power cable only)i am a little confused as i thought these cards were nearly double this amount?specs are- 540mhz clock speed 1180mhz memory 16 pixel pielines 6 programable vertex shader pielinesi am wondering if this is advertised wrongly,maybe a x850xt and not the x850xt pe (dont know the difference that pe makes,but seems to in priceany advise would be much appreciatedthanks,anthony